Table 2 Secondary metabolites in the agricultural by-products used as diets

Sunflower cake

159.26 ± 0.01^k

38.40 ± 0.00^k

1441.46 ± 0.09^l

854.93 ± 0.06^j

4.68 ± 0.00ⁱ

Local brew waste

155.65 ± 0.11^j

40.76 ± 0.03^l

1265.04 ± 0.90^k

910.03 ± 0.60^l

4.85 ± 0.00^j

Cotton seed cake

127.38 ± 0.07ⁱ

37.58 ± 0.02^j

976.22 ± 0.56^j

857.19 ± 0.70^k

4.26 ± 0.05^h

Pineapple peel

116.73 ± 0.06^h

35.39 ± 0.01ⁱ

847.94 ± 0.42ⁱ

825.72 ± 0.27ⁱ

3.95 ± 0.00^g

Banana peel

67.98 ± 0.07^g

19.79 ± 0.02^h

514.83 ± 0.35^h

479.88 ± 0.54^h

2.21 ± 0.00^f

Pumpkin peel

44.91 ± 0.01^f

10.98 ± 0.00^d

238.84 ± 0.06^c

291.94 ± 0.05^c

1.19 ± 0.00^c

Soybean hull meal

41.25 ± 0.01^e

13.23 ± 0.00^g

376.16 ± 0.10^g

337.03 ± 0.05^f

1.41 ± 0.00^e

Dry maize cob

33.54 ± 0.00^d

11.623 ± 0.00^e

306.41 ± 0.04^f

299.85 ± 0.05^d

1.22 ± 0.00^c

Sweetpotato peel

33.48 ± 0.02^d

12.10 ± 0.00^f

264.15 ± 0.14^d

315.79 ± 0.09^e

1.26 ± 0.00^d

Germinated finger millet

32.12 ± 0.01^c

9.69 ± 0.00^b

291.75 ± 0.06^e

234.16 ± 0.09^a

1.11 ± 0.00^b

Pumpkin pulp

28.64 ± 0.01^b

8.10 ± 0.00^a

122.37 ± 0.07^a

360.37 ± 0.23^g

0.77 ± 0.00^a

Cassava peel

22.54 ± 0.01^a

9.84 ± 0.00^c

186.64 ± 0.04^b

258.99 ± 0.09^b

132.00 ± 0.00^k

df

11

11

11

11

11

F value

1,307,331.05

1,033,168.51

1,650,953.69

689,993.62

7,397,484.14

p value

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 < 0.001